public void CallbackInvokedMultipleTimes()
{
int callbackCount = 0;
var callbackInvoked = new ManualResetEvent(false);
GcNotification.Register(state =>
{
callbackCount++;
callbackInvoked.Set();
if (callbackCount < 2)
{
return(true);
}
return(false);
}, null);
GC.Collect(2, GCCollectionMode.Forced, blocking: true);
Assert.True(callbackInvoked.WaitOne(100));
Assert.Equal(1, callbackCount);
callbackInvoked.Reset();
GC.Collect(2, GCCollectionMode.Forced, blocking: true);
Assert.True(callbackInvoked.WaitOne(100));
Assert.Equal(2, callbackCount);
callbackInvoked.Reset();
// No callback expected the 3rd time
GC.Collect(2, GCCollectionMode.Forced, blocking: true);
Assert.False(callbackInvoked.WaitOne(100));
Assert.Equal(2, callbackCount);
}
public void CallbackRegisteredAndInvoked()
{
var callbackInvoked = new ManualResetEvent(false);
GcNotification.Register(state =>
{
callbackInvoked.Set();
return(false);
}, null);
GC.Collect(2, GCCollectionMode.Forced, blocking: true);
Assert.True(callbackInvoked.WaitOne(100));
}
public static void Register(Func<object, bool> callback, object state)
{
var notification = new GcNotification(callback, state);
}
public static void Register(Func <object, bool> callback, object state)
{
var notification = new GcNotification(callback, state);
}